Shepperton, Middlesex-based Communications Maintenance and Services Ltd is looking for dealers for its new telephone call logging add-on board for MS-DOS micros. The unit, which is expected to retail for approximately UKP1,500, will store details of up to 2,000 calls while the micro is switched off. It is software-extensible to accommodate up to 1,000 extensions. Communications Maintenance promises to provide its dealers with full technical support.